Immunomodulatory and antiviral activities of 2',3'-dideoxy-beta-L-cytidine and 2',3'-dideoxy-beta-L-5-fluorocytidine.

Abstract:

:Two dideoxynucleosides, 2',3'-dideoxy-beta-L-cytidine and 2',3'-dideoxy-beta-L-5-flurocytidine, containing unnatural L-configuration in their sugar moieties, were synthesized and assayed for antiviral activities. Both compounds were shown to possess potent anti-human immunodeficiency virus type 1 and antihepatitis B virus activities, while demonstrating no anti-herpes simplex viruses 1 and 2 activity. These two compounds exhibited in vitro cellular toxicities for several leukocytic cell lines and were shown to inhibit phytohemagglutinin-stimulated human peripheral blood mononuclear leukocyte proliferations. At inhibitory concentrations, both compounds caused accumulations of cells in the S phase. While demonstrating no obvious morphological toxicity in vivo in mice at concentrations of 75 and 150 mg/kg, 2',3'-dideoxy-beta-L-5-fluorocytidine- treated animals were shown to have considerable increases in CD4/CD8 double positive T lymphocyte population in their blood circulation.

authors

Gagnon L,Nordstrom PA,Duchaine J,Jutras D,Hamel M,Barbeau D,Hooker E,Ashman C,Cammack N,Tse A

doi

10.3109/08923979509052717

subject

Has Abstract,Author List Incomplete

pub_date

1995-02-01 00:00:00

pages

17-32

issue

1

eissn

0892-3973

issn

1532-2513

journal_volume

17

pub_type

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